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Modeling Helicopter Blade Dynamics Using a Modified Myklestad-Prohl Transfer Matrix Method.
NAVAL POSTGRADUATE SCHOOL MONTEREY CA
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Rotor Blade vibratory stresses are of utmost importance in helicopter design. A modified Myklestad-Prohl method for rotating beams has been coded to assist in preliminary helicopter rotor blade design. The rotor blade dynamics program is part of the Joint ArmyNavy Rotorcraft Analysis and Design JANRAD program which was developed to aid in the preliminary design and analysis of helicopter rotor performance, stability and control, and rotor dynamics. JANRAD is an interactive, user friendly program written in MATLAB version 4.0 programming language and has been used extensively in the Naval Postgraduate Schools capstone helicopter design course AA 4306. A sample case is run and results are discussed. AN
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